<template>
    <header class="header">
        <svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
            <defs>
                <symbol id="icon-arrow-short" viewBox="0 0 25 32">
                    <title>arrow-short</title>
                    <path class="path1" d="M24.487 18.922l-1.948-1.948-8.904 8.904v-25.878h-2.783v25.878l-8.904-8.904-1.948 1.948 12.243 12.243z"></path>
                </symbol>
                <symbol id="icon-status-ok" viewBox="0 0 32 32">
                    <title>status-ok</title>
                    <path class="path1" d="M22.361 10.903l-9.71 9.063-2.998-2.998c-0.208-0.209-0.546-0.209-0.754 0s-0.208 0.546 0 0.754l3.363 3.363c0.104 0.104 0.241 0.156 0.377 0.156 0.131 0 0.261-0.048 0.364-0.143l10.087-9.414c0.215-0.201 0.227-0.539 0.026-0.754s-0.539-0.226-0.754-0.026z"></path>
                    <path class="path2" d="M16 30.933c-8.234 0-14.933-6.699-14.933-14.933s6.699-14.933 14.933-14.933c8.234 0 14.933 6.699 14.933 14.933s-6.699 14.933-14.933 14.933zM16 0c-8.822 0-16 7.178-16 16 0 8.823 7.178 16 16 16s16-7.177 16-16c0-8.822-7.178-16-16-16z"></path>
                </symbol>
                <symbol id="icon-cart" viewBox="0 0 38 32">
                    <title>cart</title>
                    <path class="path1" d="M37.759 0h-4.133c-0.733 0.004-1.337 0.549-1.434 1.255l-0.546 4.342c-0.081 0.484-0.496 0.849-0.997 0.849-0.005 0-0.009-0-0.014-0h-27.604c-0.003 0-0.007-0-0.011-0-1.674 0-3.031 1.357-3.031 3.031 0 0.34 0.056 0.666 0.159 0.971l2.52 8.062c0.385 1.194 1.486 2.043 2.785 2.043 0.126 0 0.25-0.008 0.372-0.023l22.983 0.002c0.515 0.131 0.626 0.768 0.626 1.283 0.005 0.044 0.009 0.095 0.009 0.146 0 0.501-0.294 0.933-0.718 1.134l-22.439 0.003c-0.354 0-0.642 0.287-0.642 0.642s0.287 0.642 0.642 0.642h22.745l0.131-0.071c0.919-0.392 1.551-1.287 1.551-2.33 0-0.058-0.002-0.116-0.006-0.173 0.021-0.108 0.033-0.24 0.033-0.376 0-1.072-0.732-1.973-1.724-2.23l-23.357-0.004c-0.063 0.008-0.135 0.013-0.209 0.013-0.719 0-1.332-0.455-1.566-1.093l-2.53-8.095c-0.048-0.154-0.076-0.332-0.076-0.515 0-0.973 0.782-1.764 1.752-1.778h27.657c1.159-0.004 2.112-0.883 2.232-2.011l0.547-4.345c0.010-0.083 0.078-0.147 0.161-0.152l4.133-0c0.354 0 0.642-0.287 0.642-0.642s-0.287-0.642-0.642-0.642z"></path>
                    <path class="path2" d="M31.323 9.69c-0.022-0.003-0.048-0.004-0.074-0.004-0.328 0-0.598 0.248-0.633 0.567l-0.809 7.268c-0.003 0.022-0.004 0.048-0.004 0.074 0 0.328 0.248 0.598 0.567 0.633l0.074 0c0.001 0 0.003 0 0.004 0 0.327 0 0.596-0.246 0.632-0.563l0.809-7.268c0.003-0.022 0.004-0.048 0.004-0.074 0-0.328-0.248-0.598-0.567-0.633z"></path>
                    <path class="path3" d="M27.514 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM27.514 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
                    <path class="path4" d="M9.599 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM9.599 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
                </symbol>
            </defs>
        </svg>
        <div class="navbar">
            <div class="navbar-left-container">
                <a href="/">
                    LOGO</a>
            </div>
            <div class="navbar-right-container" style="display: flex;">
                <div class="navbar-menu-container">
                    <!--<a href="/" class="navbar-link">我的账户</a>-->
                    <span class="navbar-link" v-if="nickName">hi,{{nickName}}</span>
                    <a href="javascript:void(0)" class="navbar-link" @click="openLoginModal"
                       v-if="!nickName">Login</a>
                    <a href="javascript:void(0)" class="navbar-link" v-if="nickName" @click="loginOut">Logout</a>
                    <div class="navbar-cart-container">
                        <span class="navbar-cart-count" v-if="cartCount>0">{{cartCount}}</span>
                        <router-link class="navbar-link navbar-cart-link" :to="{'name':'Cart'}">
                            <svg class="navbar-cart-logo">
                              <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-cart"></use>
                            </svg>
                        </router-link>
                    </div>
                </div>
            </div>
        </div>
        <div class="md-modal modal-msg md-modal-transition" :class="{'md-show':loginModalFlag}">
            <div class="md-modal-inner">
                <div class="md-top">
                    <div class="md-title">Login in</div>
                    <button class="md-close" @click="closeLoginModal">Close</button>
                </div>
                <div class="md-content">
                    <div class="confirm-tips">
                        <div class="error-wrap" v-if="errorTip">
                            <span class="error error-show">用户名或者密码错误</span>
                        </div>
                        <ul>
                            <li class="regi_form_input">
                                <i class="icon IconPeople"></i>
                                <input type="text" tabindex="1" name="loginname" v-model="userName"
                                       class="regi_login_input regi_login_input_left" placeholder="User Name"
                                       data-type="loginname">
                            </li>
                            <li class="regi_form_input noMargin">
                                <i class="icon IconPwd"></i>
                                <input type="password" tabindex="2" name="password" v-model="userPwd"
                                       class="regi_login_input regi_login_input_left login-input-no input_text"
                                       placeholder="Password" @keyup.enter="login">
                            </li>
                        </ul>
                    </div>
                    <div class="login-wrap">
                        <a href="javascript:;" class="btn-login" @click="login">登  录</a>
                    </div>
                </div>
            </div>
        </div>
        <div class="md-overlay" v-if="loginModalFlag" @click="closeLoginModal"></div>
    </header>
</template>
<script>

    import {mapState} from 'vuex'//vuex里的方法
    export default {
        data() {
            return {
                userName: '',
                userPwd: '',
                //nickName: '',
                errorTip: false,
            }
        },
        computed:{
            ...mapState(['nickName','cartCount','loginModalFlag'])//ES6数组的解析
            /*nickName(){
                return this.$store.state.nickName
            },
            cartCount(){
                return this.$store.state.cartCount
            }*/
        },
        mounted: function () {
            this.$nextTick(function () {
                this.checkLogin();
            })
        },
        methods: {
            login() {
                if (!this.userName || !this.userPwd) {
                    this.errorTip = true;
                    return;
                }
                this.axios.post("/users/login", {
                    userName: this.userName,
                    userPwd: this.userPwd
                }).then(response => {
                    let res = response.data;
                    if (res.status == '0') {
                        this.errorTip = false;
                        //保存登录名到store和localStorage
                        this.$store.commit('updataUserInfo',res.result.userName);
                        this.setLocalstorage("nickName",res.result.userName);
                        this.$store.commit('updataLoginModalFlag',false);
                        this.getCartCount();

                        //判断是从哪个页面跳转的登录
                        let redirect=this.$route.query.redirect;
                        if(redirect){
                            this.$router.push(redirect);
                        }
                    } else {
                        this.errorTip = true;
                    }
                }).catch(err => {
                    console.log(err);
                })
            },
            loginOut() {
                this.axios.post("/users/loginOut").then(response => {
                    let res = response.data;
                    if (res.status == '0') {
                        this.$store.commit('updataUserInfo','');
                        this.removeLocalstorage("nickName");
                        this.$store.commit('initCartCount',0);
                        this.$router.push('/');
                    }
                })
            },
            checkLogin(){
                this.axios.post("/users/checkLogin").then(response => {
                    let res = response.data;
                    if (res.status == '0') {
                        this.$store.commit('updataUserInfo',res.result);
                        this.setLocalstorage("nickName",res.result);
                        this.getCartCount();
                    }else if(res.status == '1001'){
                        this.$store.commit('updataUserInfo','');
                        this.removeLocalstorage("nickName");
                        this.$store.commit('initCartCount',0);
                    }
                })
            },
            closeLoginModal(){
                this.$store.commit('updataLoginModalFlag',false);
                let redirect=this.$route.query.redirect;
                if(redirect){
                    this.$router.push('/');
                }
            },
            openLoginModal(){
                this.$store.commit('updataLoginModalFlag',true);
            },
            getCartCount(){
                this.axios.get("/users/getCartCount").then(response => {
                    let res = response.data;
                    if (res.status == '0') {
                        this.$store.commit('initCartCount',parseInt(res.result.cartCount));
                    } else {
                        console.log(res.msg);
                    }
                }).catch(err => {
                    console.log(err);
                })
            }
        }
    }
</script>
